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Security Advisories: GSA_kwCzR0hTQS1ycXYyLTI3NXgtMmpxNc4AAxDs
Denial of service via multipart parsing in Rack
There is a denial of service vulnerability in the multipart parsing component of Rack. This vulnerability has been assigned the CVE identifier CVE-2022-44572.
Versions Affected: >= 2.0.0 Not affected: None. Fixed Versions: 2.0.9.2, 2.1.4.2, 2.2.6.1, 3.0.0.1
Impact
Carefully crafted input can cause RFC2183 multipart boundary parsing in Rack to take an unexpected amount of time, possibly resulting in a denial of service attack vector. Any applications that parse multipart posts using Rack (virtually all Rails applications) are impacted.
Releases
The fixed releases are available at the normal locations.
Workarounds
There are no feasible workarounds for this issue.
Patches
To aid users who aren’t able to upgrade immediately we have provided patches for the two supported release series. They are in git-am format and consist of a single changeset.
2-0-Forbid-control-characters-in-attributes.patch - Patch for 2.0 series
2-1-Forbid-control-characters-in-attributes.patch - Patch for 2.1 series
2-2-Forbid-control-characters-in-attributes.patch - Patch for 2.2 series
3-0-Forbid-control-characters-in-attributes.patch - Patch for 3.0 series
Permalink: https://github.com/advisories/GHSA-rqv2-275x-2jq5JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1ycXYyLTI3NXgtMmpxNc4AAxDs
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Low
Classification: General
Published: over 1 year ago
Updated: 6 months ago
Identifiers: GHSA-rqv2-275x-2jq5, CVE-2022-44572
References:
- https://github.com/rack/rack/releases/tag/v3.0.4.1
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2022-44572.yml
- https://nvd.nist.gov/vuln/detail/CVE-2022-44572
- https://hackerone.com/reports/1639882
- https://www.debian.org/security/2023/dsa-5530
- https://github.com/advisories/GHSA-rqv2-275x-2jq5
Blast Radius: 0.0
Affected Packages
rubygems:rack
Dependent packages: 3,603Dependent repositories: 1,043,594
Downloads: 872,077,776 total
Affected Version Ranges: >= 3.0.0.0, < 3.0.4.1, >= 2.2.0.0, < 2.2.6.1, >= 2.1.0.0, < 2.1.4.2, >= 2.0.0, < 2.0.9.2
Fixed in: 3.0.4.1, 2.2.6.1, 2.1.4.2, 2.0.9.2
All affected versions: 0.1.0, 0.2.0, 0.3.0, 0.4.0, 0.9.0, 0.9.1, 1.0.0, 1.0.1, 1.1.0, 1.1.1, 1.1.2, 1.1.3, 1.1.4, 1.1.5, 1.1.6, 1.2.0, 1.2.1, 1.2.2, 1.2.3, 1.2.4, 1.2.5, 1.2.6, 1.2.7, 1.2.8, 1.3.0, 1.3.1, 1.3.2, 1.3.3, 1.3.4, 1.3.5, 1.3.6, 1.3.7, 1.3.8, 1.3.9, 1.3.10, 1.4.0, 1.4.1, 1.4.2, 1.4.3, 1.4.4, 1.4.5, 1.4.6, 1.4.7, 1.5.0, 1.5.1, 1.5.2, 1.5.3, 1.5.4, 1.5.5, 1.6.0, 1.6.1, 1.6.2, 1.6.3, 1.6.4, 1.6.5, 1.6.6, 1.6.7, 1.6.8, 1.6.9, 1.6.10, 1.6.11, 1.6.12, 1.6.13, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.0.5, 2.0.6, 2.0.7, 2.0.8, 2.0.9, 2.1.0, 2.1.1, 2.1.2, 2.1.3, 2.1.4, 2.2.0, 2.2.1, 2.2.2, 2.2.3, 2.2.4, 2.2.5, 2.2.6, 2.2.7, 2.2.8, 2.2.9, 3.0.0, 3.0.1, 3.0.2, 3.0.3, 3.0.4, 3.0.5, 3.0.6, 3.0.7, 3.0.8, 3.0.9, 3.0.10
All unaffected versions: